题库 - *2400 - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	260	codeforces#P1499F Diameter Cuts combinatorics dfs and similar dp trees *2400	0 / 0	9
	83	codeforces#P1523D Love-Hate bitmasks brute force dp probabilities *2400	1 / 1	9
	66	codeforces#P1526E Oolimry and Suffix Array combinatorics constructive algorithms math *2400	1 / 1	9
	60	codeforces#P1527D MEX Tree combinatorics dfs and similar implementation math trees *2400	1 / 2	9
	8467	codeforces#P1585E Frequency Queries data structures dfs and similar trees *2400	0 / 0	9
	8466	codeforces#P1585F Non-equal Neighbours combinatorics dp math *2400	0 / 0	9
	7381	codeforces#P1594F Ideal Farm constructive algorithms math *2400	0 / 0	9
	7465	codeforces#P1605E Array Equalizer binary search greedy implementation math number theory sortings two pointers *2400	0 / 1	9
	7444	codeforces#P1606D Red-Blue Matrix brute force constructive algorithms implementation sortings *2400	0 / 0	9
	7511	codeforces#P1609E William The Oblivious data structures divide and conquer dp matrices *2400	0 / 0	9
	7613	codeforces#P1626E Black and White Tree dfs and similar dp greedy trees *2400	1 / 1	9
	7834	codeforces#P1667C Half Queen Cover constructive algorithms math *2400	0 / 0	(无)
	7881	codeforces#P1670F Jee, You See? bitmasks combinatorics dp *2400	0 / 0	(无)
	8215	codeforces#P1735E House Planning constructive algorithms data structures flows graph matchings greedy *2400	0 / 0	9
	8264	codeforces#P1743E FTL binary search dp greedy *2400	0 / 0	9
	8367	codeforces#P1765A Access Levels bitmasks dsu flows graph matchings *2400	0 / 0	9
	8356	codeforces#P1765L Project Manager brute force implementation *2400	0 / 0	9
	8734	codeforces#P1817C Similar Polynomials combinatorics math *2400	0 / 0	9
	9051	codeforces#P1879E Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees *2400	0 / 0	9
	9211	codeforces#P1902F Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees *2400	0 / 0	9
	9294	codeforces#P1909E Multiple Lamps bitmasks brute force constructive algorithms math number theory *2400	0 / 0	9
	9231	codeforces#P1910H Sum of Digits of Sums special problem binary search data structures 2400	0 / 0	9
	9221	codeforces#P1912H Hypercatapult Commute graphs *2400	0 / 0	9
	9284	codeforces#P1913E Matrix Problem flows graphs *2400	0 / 0	9
	9587	codeforces#P1957E Carousel of Combinations brute force combinatorics dp math number theory *2400	0 / 0	9

根据当前过滤条件随机选择一道题